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Search: id:A033910
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| A033910 |
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Numbers n such that s(n)+s(n+1)+s(n+2)=t(n)+t(n+1)+t(n+2) where s(n)=sigma(n)-n, t(n)=|s(n)-n|. |
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+0
1
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| 7, 27, 383, 1767, 2059, 2239, 24079, 46591, 62847, 95767, 496083, 10397407, 14348907, 32822543, 183668391, 525969735, 1495596183, 2819404431
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OFFSET
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1,1
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EXAMPLE
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s(383)=sigma(383)-383=1, s(384)=sigma(384)-384=636, s(385)=sigma(385)-385=191, s(383)+s(384)+s(385)=828, t(383)=|383-1|=382, t(384)=|384-636|=252, t(385)=|385-191|=194, 382+252+194=828.
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CROSSREFS
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Sequence in context: A034536 A035081 A003148 this_sequence A015817 A103253 A139607
Adjacent sequences: A033907 A033908 A033909 this_sequence A033911 A033912 A033913
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KEYWORD
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nonn
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AUTHOR
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Naohiro Nomoto (6284968128(AT)geocities.co.jp)
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EXTENSIONS
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More terms from Jud McCranie (j.mccranie(AT)comcast.net), Jul 14 2000
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